FURVERT!

abdominal_bulge abs alien anthro bald biceps bound chain chained clothing duo eyewear fangs genitals hat headgear headwear koopa koopaling male male/male male_penetrating mario_bros nintendo nintenfan64 nipple_piercing nipples open_mouth pecs penetration penis piercing roy_koopa scalie sex shell spiked_penis spikes spikes_(anatomy)sunglasses teeth tongue